RACE TECH FORK SPRING 0.44KG KTM HUSQVARNA FRSP 434644Accuracy and performanceAccurate rates to within 2 percentHigh stiffness-to-mass ratio, shot-peened, heat-treated and preset chrome silicon steelChoose from varying spring rates to suit your biking needs2021 150 XC-W TPI250 XC-W TPI 2020 150 XC-W TPI250 XC-W TPI300 XC-W TPI500 EXC-F 2019 250 XC-W TPI300 XC-W TPI500 EXC-F 2018 300 XC-W500 EXC-F 2017 300 XC-W500 EXC-F 2016 125 SX150 SX250 SX250 SX-F250 XC250 XC-F300 XC350 SX-F350 XCF-W450 SX-F450 XC-F 2015 125 SX150 SX250 SX250 SX-F250 XC250 X